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A199260 Number of nX6 0..2 arrays with values 0..2 introduced in row major order, the number of instances of each value within one of each other, and every element equal to exactly one horizontal or vertical neighbor 1
1, 36, 114, 1240, 5381, 54588, 278570, 2397792, 14900001, 116469925, 780649269, 6006347346, 41989064859, 319129583349, 2307295438172, 17428815517107, 128586800958736, 972215152349757, 7260589438120238, 55045255657803475 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Column 6 of A199261
LINKS
EXAMPLE
Some solutions for n=5
..0..0..1..1..2..2....0..0..1..1..2..2....0..1..0..2..1..1....0..0..1..1..2..2
..2..2..0..0..1..1....2..1..0..2..1..1....0..1..0..2..0..0....1..1..0..2..0..1
..1..0..2..1..2..2....2..1..0..2..0..0....2..2..1..1..2..2....2..2..0..2..0..1
..1..0..2..1..0..0....0..0..2..0..2..2....1..1..2..2..0..0....0..1..2..0..2..2
..2..2..0..0..1..1....1..1..2..0..1..1....2..2..0..0..1..1....0..1..2..0..1..1
CROSSREFS
Sequence in context: A162940 A250426 A176685 * A033575 A044287 A044668
KEYWORD
nonn
AUTHOR
R. H. Hardin Nov 04 2011
STATUS
approved

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Last modified April 19 11:31 EDT 2024. Contains 371792 sequences. (Running on oeis4.)